[petsc-users] ADI

[Jed Brown]

On Tue, Mar 6, 2012 at 09:38, Matthew Knepley <knepley at gmail.com> wrote:

> ADI is from the last century. Use PETSc's Geometric Multigrid. If you look
> at SNES ex50 and the tutorial runs for it, you can
> see how this works.
>

ex5.c is a better example if you are solving a scalar problem.

Sanjay, ADI has poor memory memory characteristics, does not scale well in
parallel, and is very restrictive. As Matt says, multigrid is a better and
more general approach, it will converge faster and scale better.
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